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| Application No. | Application Title | Issue Date |
| 20120106995 | IMAGE FORMING APPARATUS CAPABLE OF COMPUTING POWER CONSUMPTION THEREOF, AND CONTROL METHOD AND STORAGE MEDIUM THEREFOR An image forming apparatus capable of accurately computing power consumption thereof. First power consumption consumed by a fixing device of the image forming apparatus until the fixing device becomes a state capable of fixing a toner image onto a sheet is computed, sec... | 05/03/2012 |
| 20120107004 | IMAGE FORMING SYSTEM, AND IMAGE FORMING METHOD An image forming system including an image forming device forming on a recording sheet a first chromatic toner image, and a second chromatic toner image having an outermost layer of transparent toner, wherein the transparent toner has lower glass transition temperature ... | 05/03/2012 |
| 20120107003 | IMAGE FORMING APPARATUS AND METHOD Certain embodiments provide an image forming apparatus including: a print process part; a heat roller including a heating element; a press roller including a heater; a power source part having a power upper limit value that is smaller than a sum of heating power for the... | 05/03/2012 |
| 20120107002 | IMAGE FORMING APPARATUS In an image forming apparatus including an image forming unit which forms an image in which toner containing a wax is used on a recording material, and a fixing device which heats the toner image formed on the recording material at a nip portion which nips and conveys t... | 05/03/2012 |
| 20120082474 | FIXING APPARATUS AND IMAGE FORMING APPARATUS IN WHICH TEMPERATURE OF HEATING ROTATING MEMBER IS DETECTED IN NON-CONTACT MANNER In a fixing apparatus, a first detection portion detects a temperature of an atmosphere (a first detected temperature) attained by heat conduction from a heating rotating member for fixing a toner image on a sheet of paper by heating, at a position above the heating rot... | 04/05/2012 |
| 20120070173 | FIXATION DEVICE AND IMAGE FORMATION APPARATUS A fixation device includes a first conveyance member, a first press member facing the first conveyance member, a second press member facing the first conveyance member, and a support mechanism supporting the first and second press members and capable of switching whethe... | 03/22/2012 |
| 20120070174 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD A image forming apparatus includes an electrostatic latent image carrier that carries an electrostatic latent image, a developer supplying unit that supplies a developer to the electrostatic latent image and forms a developer image, a transfer roller that transfers the ... | 03/22/2012 |
| 20120070175 | FIXING DEVICE AND IMAGE FORMING APPARATUS USING THE SAME A fixing device including a fixing member to melt a toner so as to fix a toner image onto a recording medium, a temperature sensor to detect a temperature of the fixing member, and a heater to heat the fixing member based on the temperature detected by the temperature s... | 03/22/2012 |
| 20120051775 | FIXING DEVICE, CONTROL METHOD FOR THE SAME, AND IMAGE FORMING APPARATUS A fixing device includes: a heat generating rotating member including a heat generating layer; an exciting coil to inductively heat the heat generating layer; a degaussing coil generating an electrical current in response to a magnetic flux generated by the exciting coi... | 03/01/2012 |
| 20120051766 | FIXING DEVICE AND IMAGE FORMING APPARATUS A fixing device includes a fixing rotation body heating and fixing an unfixed image onto a recording medium; a pressing rotation body pressing the recording medium to the fixing rotation body; a first temperature detection unit detecting a temperature of the fixing rota... | 03/01/2012 |
| 20120045240 | FIXING DEVICE AND IMAGE FORMING APPARATUS A fixing device including a fixing rotational body and fixing images on sheets of various sizes, comprising: a main excitation coil heating the rotational body by electromagnetic induction and having an effective heating length L1 corresponding to a maximum-size ... | 02/23/2012 |
| 20120027444 | IMAGE HEATING APPARATUS An image heating apparatus includes image heating device; pressing device; a first temperature sensor; an electric power supply controller; a second temperature sensor; a first cooling device for cooling a surface of the image heating device; a second cooling device for... | 02/02/2012 |
| 20120027423 | IMAGE FORMING APPARATUS, REPLACEMENT TONER CARTRIDGE MANAGEMENT APPARATUS, REPLACEMENT TONER CARTRIDGE MANAGEMENT SYSTEM, REPLACEMENT TONER CARTRIDGE MANAGEMENT METHOD, AND RECORDING MEDIUM An image forming apparatus is provided with: an obtainer which obtains first information indicating a new toner cartridge having just been loaded thereon or a toner cartridge to be replaced with a new one and second information indicating the current condition under whi... | 02/02/2012 |
| 20120020690 | FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME A fixing device includes a fixing rotary body and a pressing member each of which includes a waveform elastic layer having at least one wave crest and at least one wave trough to form a waveform face between the fixing rotary body and the pressing member pressed against... | 01/26/2012 |
| 20120020691 | Phase detecting device, phase control device including the phase detecting device, and fuser control device including the phase control device An image forming apparatus includes a fuser that fuses a paper medium and a fuser control device that controls an AC power supplied to the fuser. The fuser control device includes a phase detecting device that receives an AC voltage, detects zero-crossing points of the ... | 01/26/2012 |
| 20120014706 | BELT CONVEYANCE APPARATUS AND IMAGE HEATING APPARATUS The image heating apparatus has a plurality of heat generators which are capable of forming a plurality of heat generating distributions in the longitudinal direction for supplying heat to a heating member. Unevenness in temperature is decreased by changing the heat gen... | 01/19/2012 |
| 20120008971 | FIXING DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME A fixing device includes a fixing belt to transmit a heat to a print medium, a pressing unit to apply a pressure on the print medium, a heating unit surrounded by the fixing belt to generate the heat and a nip plate disposed against the fixing belt and facing the pressi... | 01/12/2012 |
| 20120008972 | Fusing device for instantly controlling power A device for fusing and fixing a transferred toner of a predetermined image onto a print paper is provided. In particular, a fusing device which can instantly control induced current provided to a fusing unit in an image printing apparatus which heats the fusing unit us... | 01/12/2012 |
| 20110318039 | POWER SUPPLY DEVICE AND IMAGE FORMATION APPARATUS A power supply device includes: a power supply part to convert an AC voltage from an AC power source into a direct current and output a DC voltage; a zero cross detector to detect zero cross timings of AC voltage; and a power supply controller to control supply of the A... | 12/29/2011 |
| 20110318036 | IMAGE FORMING APPARATUS An image forming apparatus includes an image forming station for forming a toner image on a recording material; and a fixing portion including a heating rotatable member, a heating element for heating the heating rotatable member using heat generation by electric power ... | 12/29/2011 |
| 20110318040 | IMAGE FORMING APPARATUS, METHOD OF CONTROLLING FIXING DEVICE, AND DEVICE AND METHOD FOR DETECTING ABNORMALITY OF THE FIXING DEVICE An image forming apparatus which is capable of detecting occurrence of an abnormality that a fixing member which is actually in an unpressurized state is detected to be in a pressurized state, and supply of electric power to a heating member is continued. A fixing devic... | 12/29/2011 |
| 20110318038 | Image forming apparatus, image forming method, image processing apparatus, image processing method, and storage An image forming apparatus for outputting a printed product includes a fusing unit, an image forming control unit to receive print data and print attribution information for printing the printed product; and a print engine including a fusing controller to control a fusi... | 12/29/2011 |
| 20110311250 | FIXING DEVICE AND IMAGE FORMING APPARATUS A fixing device for thermally fixing image onto recording sheet by causing recording sheet to pass through fixing nip, while heating electromagnetic induction heating layer provided in heating rotation body by flux generated by flux generator including exciting coil loc... | 12/22/2011 |
| 20110311251 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD According to one embodiment, an image forming apparatus includes an image forming portion configured to form a toner image on a recording medium, a fixing unit configured to be brought into press-contact from both sides with the recording medium formed with the toner im... | 12/22/2011 |
| 20110311246 | Fixing Device, Image Forming Apparatus, and Method for Controlling Fixing Device A fixing device includes a fixing roller that is driven to rotate, a fixing belt that is driven by rotation of the fixing roller, and a driven roller that rotates along with the fixing belt. The fixing device also includes a pressing member that is pressed against the f... | 12/22/2011 |
| 20110305476 | FIXING APPARATUS AND IMAGE FORMING APPARATUS A fixing apparatus includes a hot roller, a fixing roller, a fixing belt that extends between the fixing roller and the hot roller and revolves, a pressure roller that is pressed against the fixing roller via the fixing belt, and forms a nip region between the pressure ... | 12/15/2011 |
| 20110305475 | IMAGE FORMING APPARATUS The image forming apparatus, in the case where image forming is performed on a recording medium whose size covers a position of a second temperature detection element perpendicularly disposed to the recording medium conveyance direction, when the detected temperature ri... | 12/15/2011 |
| 20110305474 | IMAGE HEATING DEVICE AND IMAGE FORMING APPARATUS An image heating device includes a rotatable image heating member for heating an image on a recording material; a pressing member for pressing the image heating member to form a nip in which the recording material is to be nip-conveyed; a belt member for heating the ima... | 12/15/2011 |
| 20110299868 | FIXING APPARATUS An object is to perform control so that power supplied in positive half-waves and power supplied in negative half-waves are symmetric in a control period even if a safety circuit based on a hardware circuit is activated. A CPU 202a controls to supply power... | 12/08/2011 |
| 20110293309 | FIXATION DEVICE AND IMAGE FORMING APPARATUS A fixation device includes a fixation member including a heating member, a pressure-application member press-contacting the fixation member forming a nip portion, an exciting coil induction-heating the heating member, a first temperature detection unit detecting a first... | 12/01/2011 |
| 20110293308 | Fixing Device Having Heat Roller Reinforced By Coil A fixing device includes a heat roller and an opposing component. The heat roller extends in an axial direction and includes a cylindrical-shaped roller section and a coil. The heat roller section has an inner circumferential surface and an outer circumferential surface... | 12/01/2011 |
| 20110286755 | IMAGE FORMING APPARATUS AND METHOD FOR CLEANING IMAGE CARRYING BODY The image forming apparatus comprises: a first driving section causing an image carrying body carrying a developer image to perform regular rotation or reverse rotation; a fixing section fixing the developer image and conveying a sheet; a second driving section rotating... | 11/24/2011 |
| 20110286758 | IMAGE FORMING APPARATUS CAPABLE OF TIMELY STARTING DIFFERENT IMAGE FORMATION MODE An image forming apparatus includes a thermal fixing unit having a fixing member heated or cooled at multiple levels of the target fixing temperature in accordance with prescribed different image formation conditions, and a pressing member pressing against the fixing me... | 11/24/2011 |
| 20110280601 | Apparatus and method to control temperature of heating roller used in fusing device of image forming apparatus The apparatus includes a heating roller that generates heat for melting toner attached to a printing medium; a first induction coil that is disposed outside the heating roller and heats the heating roller by using induced current generated according to current flowing t... | 11/17/2011 |
| 20110280602 | IMAGE FORMING APPARATUS AND METHOD OF CONTROLLING IMAGE FORMING APPARATUS An image forming apparatus according to an embodiment includes a charging device that charges an electric charge to an image carrier, a developing device supplying the image carrier with a developer, and a transfer device that transfers a toner image formed on the image... | 11/17/2011 |
| 20110274453 | FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME A fixing device includes a metal thermal conductor provided inside a loop formed by a fixing rotary body to heat the fixing rotary body; a heater provided inside the metal thermal conductor to heat the metal thermal conductor; a pad support provided inside the metal the... | 11/10/2011 |
| 20110268465 | PRINTING AND FUSING METHOD Methods are provided for printing and fusing a toner on a receiver having a toner pile that extends at least about 50 μm above a receiver. According to one aspect, a first energy is applied to raise a temperature of a first portion of the toner pile to a range of eleva... | 11/03/2011 |
| 20110262167 | FIXING DEVICE AND TEMPERATURE CONTROL METHOD THEREFOR A fixing device includes a fixing belt, exercitation coils for induction-heating the fixing belt, power supplies that supply high-frequency power to the excitation coils, an output power detecting circuit that detects output electric energy of the power supplies, a powe... | 10/27/2011 |
| 20110262159 | Image Forming Device An image forming device comprising a fixing unit for thermally fixing a developer on a recording sheet, a control unit that controls the temperature to maintain the fixing unit at one of a fixing temperature and a stand-by temperature lower than the fixing temperature, ... | 10/27/2011 |
| 20110255894 | FIXING DEVICE USABLE WITH AN IMAGE FORMING APPARATUS An image forming apparatus includes a fixing roller to fix a toner on a recording medium; a heater to heat the fixing roller; an alternating current (AC) power source to generate an AC electric power such that the heater heats the fixing roller according to the AC elect... | 10/20/2011 |
